JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M20 x 1.5 Die & Mould Collet Chucks Use with appropriate lubricant and

Use with appropriate lubricant and standard reaming procedures to maximize tool life and maintain dimensional accuracy across parts

Designed for professional shops and demanding environments

and consistent hole quality from part to part

clean-hole results across a variety of metals

The left-hand spiral flute aids chip removal for smoother surfaces

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M20 x 1.5 Die & Mould Collet Chucks Use with appropriate lubricant andThe JBO Thread Ring Gauge (GO) Metric Fine is a precision tool for verifying external threads on components. Built for M20 x 1. 5 metric fine threads with a right hand orientation and a 4H tolerance, it helps technicians, buyers, and engineers quickly determine if a threaded part meets specifications during inspection and assembly. Made from hardened steel, this ring gauge delivers durability and wear resistance in busy workshop environments. The